//
//  NSString+Utility.h
//  OceanStaffApp
//
//  Created by Zheng on 2019/7/31.
//  Copyright © 2019 Zh. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface NSString (Utility)

/** 判断空字符串 **/
+ (BOOL)zh_isEmptyString:(NSString *)str;

/** 获得合法字符串 **/
+ (NSString *)zh_getEmptyString:(NSString *)str;

@end

NS_ASSUME_NONNULL_END
